crisfusecrawalla crisfusecrawalla

02-03-2017
Mathematics

contestada

X - Y = 11
2x + Y = 19

where do the lines cross

Respuesta :

wolf1728 wolf1728

02-03-2017

Just solve the equations:
A) X - Y = 11
B) 2x + Y = 19
Multiply A) by -2

A) -2X +2Y = -22 then add to B)
B) 2x + Y = 19
3Y = -3
Y=-1

A) X - -1 = 11
x = 10

Answer Link

Otras preguntas

A space station orbiting the Earth is sending two signals that are tangent to the Earth. If the intercepted arc of the Earth’s surface that is visible to the

Under WhatsApp circumstances would your endocrino system release adrenalina?

can you please help me on question 3 and 4?

The ________were the first group of Europeans to colonize and permanently settle around the Cape of Good Hope.

Which hormone acts primarily on the uterus??

If the rectangular prisms base has a length of 4 inches and a width of 4 inches determine the volume

There is a force between two charges; if the distance between the two charges is doubled, by what factor does the force between them change? Doubles Halves

Two spheres have radii of 5 and 9. What is the ratio of their surface areas? a. 5:9 b. 25:81 c. 10:18 d. 125:729

please help to match the correct word 1brightened by the moon2an exploration by an astronaut3in a daze4 a rocket 5 person who works an additional job at night6t

which molecule sythesized by plants is a major source of engey for cellular processes in both plants and animals A. wax B. nucleic acid C.clucose D. chlorphil